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Article: 1433104
Received 21 Jul 2017
Accepted 23 Jan 2018
Accepted author version posted online: 31 Jan 2018
Published online:02 Feb 2018

Abstract

People of Asian countries are very much conscious about complexion. This desire is exploited with advertisements of fairness creams in both the print and visual media which allure youngsters with promises of desired results. Skin lightening products occupy 61% of dermatological market in India. Cosmetics are supposed to be safe and healthy, but research reports on their toxicities are available. Heavy metals are added intentionally or unintentionally to cosmetics, the presence of which, the consumers are mostly unaware of. Arsenic, lead and mercury are top among hazardous systemic toxicants, which induce toxicity even at low levels of exposure. In this connection a survey was conducted among college students and working women regarding the usage of fairness creams, which revealed that use of fairness creams, is common. As per the information gathered, four most commonly used brands of fairness creams in Kerala, India, were analysed for arsenic, lead and mercury by ICP-MS. Although not in high levels, these were present in varying amounts in the four most commonly used brands of fairness creams. Analysis revealed the importance in choosing cosmetics with caution and to minimize the usage as far as possible.

Public Interest Statement

Mercury, arsenic, lead and other such heavy metals are highly toxic even at low doses. The presence of these three heavy metals, though much less than the permissible limits, in all the four commonly used fairness creams studied currently, must be viewed as a precaution, because the chronic impacts of such a small level over a long period of usage are not yet fully understood. Beauty perceptions and the prejudice that dark skin is inferior to fair skin ought to change in the society in order to reduce the indiscriminate use of fairness creams. Women should be more conscious in this regard, as the foetus and breast-fed babies could fall victims.

Competing interests

The authors declare no competing interest.

1. Introduction

Skin-lightening or “fairness” creams are big business in India. Skin-whitening products are particularly popular in Asian countries like India, China, Japan, and Korea (Burger, Landreau, Azoulay, Michel, & Fernandez, 2016 Burger, P., Landreau, A., Azoulay, S., Michel, T., & Fernandez, X. (2016). Skin whitening cosmetics: Feedback and challenges in the development of natural skin lighteners. Cosmetics, 3(4), 36. doi:10.3390/cosmetics3040036[Crossref] [Google Scholar]). Such products occupy 61% of dermatological market in India (World Health Organization, 2011 World Health Organization. (2011). Mercury in skin lightening products. Retrieved October 8, 2016, from http://www.who.int/ipcs/assessment/public_health/mercury_flyer.pdf [Google Scholar]). Many corporate companies are profiting on colourism, equating light coloured skin with beauty, success, and empowerment (Nadeem, 2014 Nadeem, S. (2014). Fair and anxious: On mimicry and skin-lightening in India. Social Identities, 20(2–3), 224238. doi:10.1080/13504630.2014.881282[Taylor & Francis Online] [Google Scholar]). In the European Union, skin lightening products are considered as cosmetics, whereas in the United States, over-the-counter (OTC) drugs, and in Japan, quasidrugs (Salvador & Chisvert, 2007 Salvador, A., & Chisvert, A. (2007). Analysis of cosmetic products (pp. 487). Amsterdam: Elsevier. doi:10.1016/B978-044452260-3/50038-3[Crossref] [Google Scholar]). Repeated direct applications of cosmetics to human skin, mucous membranes, hair and nails are supposed to be safe and healthy (Borowska & Brzóska, 2015 Borowska, S., & Brzóska, M. M. (2015). Metals in cosmetics: Implications for human health. Journal of Applied Toxicology, 35(6), 551572. doi:10.1002/jat.3129[Crossref], [PubMed], [Web of Science ®] [Google Scholar]), provided there are no toxic components in them. The common ingredients in cosmetics consist of preservatives, fragrance and heavy metals (Siti Zulaikha, Sharifah Norkhadijah, & Praveena, 2015 Siti Zulaikha, R., Sharifah Norkhadijah, S. I., & Praveena, S. M. (2015). Hazardous Ingredients in cosmetics and personal care products and health concern : A review. Public Health Research, 5(1), 715. doi:10.5923/j.phr.20150501.02[Crossref] [Google Scholar]), but some of which, including the impurities may be toxic to the consumers. Among the toxic components, heavy metals are one of the major ingredients, which are used in them intentionally (Iwegbue et al., 2015 Iwegbue, C. M. A., Bassey, F. I., Tesi, G. O., Onyeloni, S. O., Obi, G., & Martincigh, B. S. (2015). Safety evaluation of metal exposure from commonly used moisturizing and skin-lightening creams in Nigeria. Regulatory Toxicology and Pharmacology, 71(3), 484490. doi:10.1016/j.yrtph.2015.01.015[Crossref], [PubMed], [Web of Science ®] [Google Scholar]; Siti Zulaikha et al., 2015 Siti Zulaikha, R., Sharifah Norkhadijah, S. I., & Praveena, S. M. (2015). Hazardous Ingredients in cosmetics and personal care products and health concern : A review. Public Health Research, 5(1), 715. doi:10.5923/j.phr.20150501.02[Crossref] [Google Scholar]). Among the heavy metal impurities, mercury, arsenic, lead, cobalt, antimony, cadmium, nickel and chromium are highly toxic and are banned in cosmetics to be added intentionally as ingredients in European Union and United States (Bocca, Pino, Alimonti, & Forte, 2014 Bocca, B., Pino, A., Alimonti, A., & Forte, G. (2014). Toxic metals contained in cosmetics: A status report. Regulatory Toxicology and Pharmacology, 68(3), 447467. doi:10.1016/j.yrtph.2014.02.003[Crossref], [PubMed], [Web of Science ®] [Google Scholar]; Iwegbue et al., 2015 Iwegbue, C. M. A., Bassey, F. I., Tesi, G. O., Onyeloni, S. O., Obi, G., & Martincigh, B. S. (2015). Safety evaluation of metal exposure from commonly used moisturizing and skin-lightening creams in Nigeria. Regulatory Toxicology and Pharmacology, 71(3), 484490. doi:10.1016/j.yrtph.2015.01.015[Crossref], [PubMed], [Web of Science ®] [Google Scholar]). Mercury salts are commonly added ingredients as fairness agents in cosmetics, whereas lead acetate is common in hair dyes. Addition of toxic ingredients to cosmetics as well as presence of toxic ingredients in cosmetics without proper warning on the toxicity are unethical practices involved in the marketing of such products (Eagle, Dahl, & Low, 2014 Eagle, L., Dahl, S., & Low, D. R. (2014). Ethical issues in the marketing of skin lightening products. In ANZMAC (pp. 7581). [Google Scholar]).

The common side-effects of skin lightening cosmetics include both cutaneous and extra cutaneous effects (De Groot, Nater, & Weyland, 1994 De Groot, A. C., Nater, J. P., & Weyland, J. W. (1994). Unwanted effects of cosmetics and drugs used in dermatology (No. 282). New York, NY: Elsevier. [Google Scholar]). Damage to the skin is the most frequently identified negative health outcome associated with skin bleaching. Stunted Purkinje cell dendrite growth, disruption of normal DNA functioning, renal and neurological complications, cataracts, glaucoma, Cushing-syndrome and the like are also impacts of cosmetics, whereas skin bleaching can harm foetal development in pregnant skin bleachers (Street, Gaska, Lewis, & Wilson, 2014 Street, J. C., Gaska, K., Lewis, K. M., & Wilson, M. L. (2014). Skin bleaching. A negleted form of injury and threat to global skin. African Safety Promotion Journal, 12(1), 5271. [Google Scholar]). An experimental study with bleaching creams revealed disruption of mitosis in onion root cells (Udengwu & Chukwujekwu, 2008 Udengwu, O. S., & Chukwujekwu, J. C. (2008). Cytotoxic effects of five commonly abused skin toning (bleaching) creams on allium cepa root tip mitosis. Pakistan Journal of Biological Sciences, 11(18), 21842192. doi:10.3923/pjbs.2008.2184.2192[Crossref], [PubMed] [Google Scholar]). It means that the ingredients in such creams are mito-depressive in action and can induce chromosome abnormalities as well as endomitosis. Similar can be the effects of toxic creams on human skin when applied, which may transform normal skin cells to malignant cells.

Arsenic (As), lead (Pb) and mercury (Hg) are the most notorious among the hazardous substances (Wang, 2012 Wang, W. (2012). Biodynamic understanding of mercury accumulation in marine and freshwater fish. Advances in Environmental Research, 1(1), 1535.10.12989/aer.2012.1.1.015[Crossref] [Google Scholar]). Lead, mercury, cadmium and arsenic cause human health problems worldwide and are systemic toxicants (Jan et al., 2015 Jan, A. T., Azam, M., Siddiqui, K., Ali, A., Choi, I., & Haq, Q. M. R. (2015). Heavy metals and human health: Mechanistic insight into toxicity and counter defense system of antioxidants. International Journal of Molecular Sciences. doi:10.3390/ijms161226183[Crossref], [PubMed], [Web of Science ®] [Google Scholar]). Chronic arsenic exposure can affect almost all the systems of the body (Huang et al., 2009 Huang, Y. K., Huang, Y. L., Hsueh, Y. M., Wang, J. T. J., Yang, M. H., & Chen, C. J. (2009). Changes in urinary arsenic methylation profiles in a 15-year interval after cessation of arsenic ingestion in Southwest Taiwan. Environmental Health Perspectives, 117(12), 18601866. doi:10.1289/ehp.0900560[Crossref], [PubMed], [Web of Science ®] [Google Scholar]). Lead poisoning can occur even at low concentration and may cause neurological damage and adverse effects on other systems (Iwegbue et al., 2015 Iwegbue, C. M. A., Bassey, F. I., Tesi, G. O., Onyeloni, S. O., Obi, G., & Martincigh, B. S. (2015). Safety evaluation of metal exposure from commonly used moisturizing and skin-lightening creams in Nigeria. Regulatory Toxicology and Pharmacology, 71(3), 484490. doi:10.1016/j.yrtph.2015.01.015[Crossref], [PubMed], [Web of Science ®] [Google Scholar]). Mercury inhibits melanogenesis in melanocytes by inactivating tyrosinase, the important catalyst in melanin production (Engler, 2005 Engler, D. E. (2005). Mercury “bleaching” creams. Journal of the American Academy of Dermatology, 52(6), 11131114. doi:10.1016/j.jaad.2005.01.136[Crossref], [PubMed], [Web of Science ®] [Google Scholar]), thus reducing pigmentation. Mercury is hazardous to health (World Health Organization, 2011 World Health Organization. (2011). Mercury in skin lightening products. Retrieved October 8, 2016, from http://www.who.int/ipcs/assessment/public_health/mercury_flyer.pdf [Google Scholar]) and has the potential to cause Central Nervous System, gastrointestinal and nephro toxicities (Chan, 2011 Chan, T. Y. (2011). Inorganic mercury poisoning associated with skin-lightening cosmetic products. Clinical Toxicology, 49(10), 886891.[Taylor & Francis Online], [Web of Science ®] [Google Scholar]). Usage of cosmetics is increasing in the society, especially among women and teenage girls, and now even among men. Therefore, it has become urgent to analyse the safety of cosmetic products available in the market. Information on the presence of heavy metals in cosmetics in India remains quite negligible. In this context, a study on the use of cosmetics by our people is assessed and the degree of contamination of mercury, arsenic and lead in certain commonly used fairness creams in Kerala State of India is analysed.

2. Materials and methods

In order to assess the use of fairness creams, in the population, a group of college students and working women (N = 140), was randomly selected for a mini survey. They completed a questionnaire comprising of questions related to usage of fairness creams. As per the information gathered, four most commonly used brands of fairness creams in Kerala, India, the “Fair & Lovely-Antimarks”, “Fair & Lovely-Ayurvedic care”, Pond’s white beauty”, and “Olay Natural White” were chosen for heavy metal study.

Heavy metals such as mercury, arsenic and lead were analysed in three samples of each of the four brands which belonged to different batches. A total of twelve samples were purchased from retail shops in Kerala. Batch number, manufacturing address and manufacturing date of each were recorded (Table 1). With a Teflon spatula, 15 gm of each sample was transferred into clean sample container for analysis. The di-acid digested samples were analysed for mercury, arsenic and lead by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS), Agilent 7700 analyser, at the Chemical analytical facility of Ministry of Ayush, Government of India known as “CARe Keralam”, Koratty, Thrissur, Kerala, India. The detection limit was 0.5 μg/kg or μg/L (0.5 ppb). The results were collected and recorded as per laboratory norms. Data were analysed and the significance of difference was tested using analysis of variance technique. The critical difference (CD at p = 0.05) was calculated and compared using Excel.

Table 1. Product information of Fairness creams analysed for mercury, arsenic and lead

3. Results

In the survey outcome, 41.4 p of women used fairness creams (Table 2). Among the users, 67.2% used them on a daily basis (Table 3), and 91.4% of the users found their creams effective (Table 4) and were satisfied with the product they used.

Table 2. Fairness cream use in the sample population

Table 3. Frequency of fairness cream usage

Table 4. Effectiveness of fairness cream usage

Among the four most commonly used brands of fairness creams analysed for mercury, arsenic and lead, no significant difference in mercury was observed between the varieties from different brands. In the case of lead too, there was no significant difference among varieties. But, in the case of arsenic, Olay Natural white showed the highest content (8.783 ppb) and Fair & Lovely-Ayurvedic care showed the lowest (1.897 ppb). However, unlike mercury and lead, a significant difference in arsenic was observed between different varieties (Table 5). Lead was found highest among all the three heavy metals studied in all the four brands, followed by arsenic and mercury (Figures 1 and 2).

Table 5. Mercury, arsenic and lead levels in fairness creams in ppb (μg/kg)

Figure 1. Mercury, arsenic and lead levels in fairness creams in ppb (μg/kg).

Figure 2. Comparative mean concentrations of mercury, arsenic and lead in fairness creams.

4. Discussion

The present mini-survey revealed that 41.4% of women used fairness creams and that 67.2% used them on a daily basis. 91% of the users found their creams effective and were satisfied with the product they used. Present outcomes of the mini survey were consistent with those reported by others. Glenn (2008 Glenn, E. N. (2008). Yearning for lightness: Transnational circuits in the marketing and consumption of skin lighteners. Gender & Society, 22(3), 281302. doi:10.1177/0891243208316089[Crossref], [Web of Science ®] [Google Scholar]) reports that in India 60–65% of women use skin lightening creams. In a South African study, these were used by a third of African and Indian women there, and 90% users were satisfied with the products (Dlova, Hamed, Tsoka-Gwegweni, & Grobler, 2015 Dlova, N. C., Hamed, S. H., Tsoka-Gwegweni, J., & Grobler, A. (2015). Skin lightening practices: An epidemiological study of South African women of African and Indian ancestries. British Journal of Dermatology, 173(Suppl. 1), 29. doi:10.1111/bjd.13556[Crossref], [PubMed] [Google Scholar]). Similar reports were obtained from studies at Jordan (Hamed, Tayyem, Nimer, & AlKhatib, 2010 Hamed, S. H., Tayyem, R., Nimer, N., & AlKhatib, H. S. (2010). Skin-lightening practice among women living in Jordan: Prevalence, determinants, and user’s awareness. International Journal of Dermatology, 49(4), 414420. doi:10.1111/j.1365-4632.2010.04463.x[Crossref], [PubMed], [Web of Science ®] [Google Scholar]), Sub-Saharan African countries (Mahé, 2013 Mahé, A. (2013). Cosmetic use of skin lightening products. In Ethnic Dermatology: Principles and Practice (pp. 287292). doi:10.1002/9781118497784.ch20[Crossref] [Google Scholar]) and Senegal (Del Giudice & Yves, 2002 Del Giudice, P., & Yves, P. (2002). The widespread use of skin lightening creams in Senegal: A persistent public health problem in West Africa. In International Journal of Dermatology (Vol. 41, pp. 6972). Doi:10.1046/j.1365-4362.2002.01335.x[Crossref], [PubMed], [Web of Science ®] [Google Scholar]). Prevalence of use of skin lightening cosmetics was 77.3% in Lagos, Nigeria (Adebajo, 2002 Adebajo, S. B. (2002). An epidemiological survey of the use of cosmetic skin lightening cosmetics among traders in Lagos, Nigeria. West African Journal of Medicine, 21(1), 5155.[PubMed] [Google Scholar]).

The largely unregulated chemical content of skin lightening products, especially in developing countries is alarming. The European Union Cosmetics Directive lists lead and their compounds as unacceptable constituents of cosmetic products (Salvador & Chisvert, 2007 Salvador, A., & Chisvert, A. (2007). Analysis of cosmetic products (pp. 487). Amsterdam: Elsevier. doi:10.1016/B978-044452260-3/50038-3[Crossref] [Google Scholar]). Arsenic and lead are prohibited in cosmetics by European Union. In India cosmetic products are regulated under the drugs and cosmetics act 1940 and rules 1945 and labelling declarations are regulated by Bureau of Indian Standards (BIS) (Sahu, Saxena, & Johnson, 2014 Sahu, R., Saxena, P., & Johnson, S. (2014). Heavy metals in Cosmetics Centre for Science and Environment (pp. 28). Retrieved September 15,2016, from http://cseindia.org/userfiles/Heavy_Metals_in_Cosmetics_Report.pdf [Google Scholar]). Rule 134 of drugs and cosmetics rules specifies that cosmetics shall not contain more than 2 ppm (parts per million) of arsenic and 20 ppm of lead. The rule 145 of the drugs and cosmetics rules totally disallows the use of lead and arsenic in cosmetics for colouring purpose and the rule 135 prohibits import of such cosmetics. Manufacture and import of cosmetics containing mercury compounds are prohibited by rule 145 D and 135 A. Drugs and cosmetics act prohibits intentional use of mercury in fairness creams (Sahu et al., 2014 Sahu, R., Saxena, P., & Johnson, S. (2014). Heavy metals in Cosmetics Centre for Science and Environment (pp. 28). Retrieved September 15,2016, from http://cseindia.org/userfiles/Heavy_Metals_in_Cosmetics_Report.pdf [Google Scholar]).

Many studies on mercury content of skin lightening creams have been reported from different parts of the world. Mercury tested in 549 such products from 32 countries by Hamann et al. (2014 Hamann, C. R., Boonchai, W., Wen, L., Sakanashi, E. N., Chu, C., Hamann, K., … Hamann, D. (2014). Spectrometric analysis of mercury content in 549 skin-lightening products: Is mercury toxicity a hidden global health hazard? Journal of the American Academy of Dermatology, 70(2), 281287.10.1016/j.jaad.2013.09.050[Crossref], [PubMed], [Web of Science ®] [Google Scholar]), confirmed presence of mercury in skin lightening products as a global phenomenon, with very high levels in some. In 14 of 32 samples of skin-lightening creams from Delhi markets, in the CSE (Centre for Science and Environment) study by Sahu et al. (2014 Sahu, R., Saxena, P., & Johnson, S. (2014). Heavy metals in Cosmetics Centre for Science and Environment (pp. 28). Retrieved September 15,2016, from http://cseindia.org/userfiles/Heavy_Metals_in_Cosmetics_Report.pdf [Google Scholar]), mercury was detected in the range of 0.10–1.97 ppm, and three samples were found to exceed the FDA limit of 1 ppm. In the present study, the level of mercury estimated in Pond’s white beauty was 4.727 ppb, “Olay Natural White”, 3.800 ppb, “Fair & Lovely-Ayurvedic care” 2.813 ppb and in Fair & Lovely-Antimarks 2.213 ppb. These were not significantly different between the brands. According to the Drugs and Cosmetics Act, mercury in fairness creams is prohibited. Therefore, mercury contained in the samples of the present study is violation of the Act. Concentration of metals may vary within different batches of the sample from the same manufacturer (Iwegbue et al., 2015 Iwegbue, C. M. A., Bassey, F. I., Tesi, G. O., Onyeloni, S. O., Obi, G., & Martincigh, B. S. (2015). Safety evaluation of metal exposure from commonly used moisturizing and skin-lightening creams in Nigeria. Regulatory Toxicology and Pharmacology, 71(3), 484490. doi:10.1016/j.yrtph.2015.01.015[Crossref], [PubMed], [Web of Science ®] [Google Scholar]; Nnorom, 2011 Nnorom, I. C. (2011). Trace metals in cosmetic facial talcum powders marketed in Nigeria. Toxicological & Environmental Chemistry, 93(6), 11351148.10.1080/02772248.2011.577075[Taylor & Francis Online], [Web of Science ®] [Google Scholar]). Mercury levels in the four fairness creams were lower than those of the CSE study (Sahu et al., 2014 Sahu, R., Saxena, P., & Johnson, S. (2014). Heavy metals in Cosmetics Centre for Science and Environment (pp. 28). Retrieved September 15,2016, from http://cseindia.org/userfiles/Heavy_Metals_in_Cosmetics_Report.pdf [Google Scholar]), which may be due to batch to batch inconsistency in manufacturing.

There are not many reports on arsenic and lead in fairness creams though many are there in other cosmetics such as lipsticks and eye shadows (Bocca et al., 2014 Bocca, B., Pino, A., Alimonti, A., & Forte, G. (2014). Toxic metals contained in cosmetics: A status report. Regulatory Toxicology and Pharmacology, 68(3), 447467. doi:10.1016/j.yrtph.2014.02.003[Crossref], [PubMed], [Web of Science ®] [Google Scholar]; Borowska & Brzóska, 2015 Borowska, S., & Brzóska, M. M. (2015). Metals in cosmetics: Implications for human health. Journal of Applied Toxicology, 35(6), 551572. doi:10.1002/jat.3129[Crossref], [PubMed], [Web of Science ®] [Google Scholar]; Sainio, Jolanki, Hakala, & Kanerva, 2000 Sainio, E. L., Jolanki, R., Hakala, E., & Kanerva, L. (2000). Metals and arsenic in eye shadows. Contact Dermatitis, 42(1), 510. doi:10.1034/j.1600-0536.2000.042001005.x[Crossref], [PubMed], [Web of Science ®] [Google Scholar]; Volpe, Nazzaro, Coppola, Rapuano, & Aquino, 2012 Volpe, M. G., Nazzaro, M., Coppola, R., Rapuano, F., & Aquino, R. P. (2012). Determination and assessments of selected heavy metals in eye shadow cosmetics from China, Italy, and USA. Microchemical Journal, 101, 6569. doi:10.1016/j.microc.2011.10.008[Crossref], [Web of Science ®] [Google Scholar]). Liu, Katharine Hammond, and Rojas-Cheatham (2013 Liu, S., Katharine Hammond, S., & Rojas-Cheatham, A. (2013). Concentrations and Potential Health Risks of Metals in Lip Products. Environmental Health Perspectives, 121(6), 705710. doi:10.1289/ehp.1205518[Crossref], [PubMed], [Web of Science ®] [Google Scholar]) reports about 75% of lip products tested containing lead and those too, in very high amounts in half of the samples. Lead levels though not very high (0.5–4.5 ppm) in skin lightening creams studied in Nigeria, was higher than that found in moisturising creams in the same study (Iwegbue et al., 2015 Iwegbue, C. M. A., Bassey, F. I., Tesi, G. O., Onyeloni, S. O., Obi, G., & Martincigh, B. S. (2015). Safety evaluation of metal exposure from commonly used moisturizing and skin-lightening creams in Nigeria. Regulatory Toxicology and Pharmacology, 71(3), 484490. doi:10.1016/j.yrtph.2015.01.015[Crossref], [PubMed], [Web of Science ®] [Google Scholar]).

Arsenic and lead were also detected in all brands of fairness creams in the current study. For the arsenic content, Olay Natural white had highest (8.783 ppb) and Fair & Lovely-Ayurvedic care, the lowest (1.897 ppb). Fair & Lovely-Antimarks and Pond’s white beauty” had 2.737 and 5.213 ppb of arsenic respectively. The lead levels were not significantly different between the brands, though lead was found highest among all the three heavy metals studied in all the four brands in the present study. The rule 134 of drugs and cosmetics rules specifies that cosmetics shall not contain more than 2 ppm (parts per million) of arsenic and 20 ppm of lead. Therefore, arsenic and lead levels cosmetics in India in the current study were much lower than the permissible limits.

5. Conclusion

Use of fairness creams was common. Although not in high levels, mercury, arsenic and lead were present in varying amounts in the four most commonly used brands of fairness creams in Kerala, the “Fair & Lovely-Antimarks”, “Fair & Lovely-Ayurvedic care”, Pond’s white beauty”, and “Olay Natural White”. Although in amounts much less than the permissible limits, the presence of such toxic compounds in commonly used cosmetics must be viewed as a precaution, because the chronic impacts of such a small level over a long period of usage are not yet fully understood. Therefore, a change in the attitude of stakeholders in the usage of fairness creams and the prejudice that dark skin is inferior to fair skin is significant to avoid such environment impacts. Present findings necessitate further research on the adverse health effects, especially of chronic exposure to heavy metals in fairness creams.

Funding

Salary of the first author and the substitute appointed in the college in her absence is sponsored by the UGC during the period of this research.

Acknowledgments

The first author gratefully acknowledges the financial support extended by the University Grants Commission, Government of India under its Faculty Development Programme during this research. Funding

    References

  • Adebajo, S. B. (2002). An epidemiological survey of the use of cosmetic skin lightening cosmetics among traders in Lagos, Nigeria. West African Journal of Medicine, 21(1), 5155
  • Bocca, B., Pino, A., Alimonti, A., & Forte, G. (2014). Toxic metals contained in cosmetics: A status report. Regulatory Toxicology and Pharmacology, 68(3), 447467. doi:10.1016/j.yrtph.2014.02.003 
  • Borowska, S., & Brzóska, M. M. (2015). Metals in cosmetics: Implications for human health. Journal of Applied Toxicology, 35(6), 551572. doi:10.1002/jat.3129 
  • Burger, P., Landreau, A., Azoulay, S., Michel, T., & Fernandez, X. (2016). Skin whitening cosmetics: Feedback and challenges in the development of natural skin lighteners. Cosmetics, 3(4), 36. doi:10.3390/cosmetics3040036 
  • Chan, T. Y. (2011). Inorganic mercury poisoning associated with skin-lightening cosmetic products. Clinical Toxicology, 49(10), 886891
  • De Groot, A. C., Nater, J. P., & Weyland, J. W. (1994). Unwanted effects of cosmetics and drugs used in dermatology (No. 282). New York, NY: Elsevier
  • Del Giudice, P., & Yves, P. (2002). The widespread use of skin lightening creams in Senegal: A persistent public health problem in West Africa. In International Journal of Dermatology (Vol. 41, pp. 6972). Doi:10.1046/j.1365-4362.2002.01335.x 
  • Dlova, N. C., Hamed, S. H., Tsoka-Gwegweni, J., & Grobler, A. (2015). Skin lightening practices: An epidemiological study of South African women of African and Indian ancestries. British Journal of Dermatology, 173(Suppl. 1), 29. doi:10.1111/bjd.13556 
  • Eagle, L., Dahl, S., & Low, D. R. (2014). Ethical issues in the marketing of skin lightening products. In ANZMAC (pp. 7581). 
  • Engler, D. E. (2005). Mercury “bleaching” creams. Journal of the American Academy of Dermatology, 52(6), 11131114. doi:10.1016/j.jaad.2005.01.136 
  • Glenn, E. N. (2008). Yearning for lightness: Transnational circuits in the marketing and consumption of skin lighteners. Gender & Society, 22(3), 281302. doi:10.1177/0891243208316089 
  • Hamann, C. R., Boonchai, W., Wen, L., Sakanashi, E. N., Chu, C., Hamann, K., … Hamann, D. (2014). Spectrometric analysis of mercury content in 549 skin-lightening products: Is mercury toxicity a hidden global health hazard? Journal of the American Academy of Dermatology, 70(2), 281287.10.1016/j.jaad.2013.09.050 
  • Hamed, S. H., Tayyem, R., Nimer, N., & AlKhatib, H. S. (2010). Skin-lightening practice among women living in Jordan: Prevalence, determinants, and user’s awareness. International Journal of Dermatology, 49(4), 414420. doi:10.1111/j.1365-4632.2010.04463.x 
  • Huang, Y. K., Huang, Y. L., Hsueh, Y. M., Wang, J. T. J., Yang, M. H., & Chen, C. J. (2009). Changes in urinary arsenic methylation profiles in a 15-year interval after cessation of arsenic ingestion in Southwest Taiwan. Environmental Health Perspectives, 117(12), 18601866. doi:10.1289/ehp.0900560 
  • Iwegbue, C. M. A., Bassey, F. I., Tesi, G. O., Onyeloni, S. O., Obi, G., & Martincigh, B. S. (2015). Safety evaluation of metal exposure from commonly used moisturizing and skin-lightening creams in Nigeria. Regulatory Toxicology and Pharmacology, 71(3), 484490. doi:10.1016/j.yrtph.2015.01.015 
  • Jan, A. T., Azam, M., Siddiqui, K., Ali, A., Choi, I., & Haq, Q. M. R. (2015). Heavy metals and human health: Mechanistic insight into toxicity and counter defense system of antioxidants. International Journal of Molecular Sciences. doi:10.3390/ijms161226183 
  • Liu, S., Katharine Hammond, S., & Rojas-Cheatham, A. (2013). Concentrations and Potential Health Risks of Metals in Lip Products. Environmental Health Perspectives, 121(6), 705710. doi:10.1289/ehp.1205518 
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Author information

Anitha Jose

Anitha Jose is associate professor in the Department of Zoology, Assumption Autonomous College, Changanasserry, Kerala, India, and is currently doing doctoral research under FDP scheme of UGC, in the Laboratory of Ecology & Eco technology, School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India.

J.G. Ray

J.G. Ray is professor in the School of Biosciences, Mahatma Gandhi University, Kottayam, Kerala, India. He obtained PhD from Dniepropetrovsk National University, Ukraine, in 1992, and is a research guide from 1993 onwards. Interested areas of research are Ecology and Ecotechnology, especially soil ecology, and have many international publications to his credit.
 

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